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Rewterz Threat Alert – Agent Tesla Malware – Active IOCs

Severity

Medium

Analysis Summary

A new AgentTesla campaign is seen targeting victims with malspam. AgentTesla is known for stealing data from different applications on victim machines, such as browsers, FTP clients, and file downloaders. Agent Tesla collects personal information from the victim’s machine, steals data from the victim’s clipboard, can log keystrokes, capture screenshots and access the victim’s webcam. It can kill running analysis processes and AVsoftware. The spyware also performs basic actions to check whether it is running on a virtual machine or in debug mode, in an attempt to hide its capabilities and actions from researchers. All the data it obtains is sent in encrypted form via SMTP protocol.

Impact

  • Credential Theft
  • Data Exfiltration
  • Information Disclosure

Indicators of Compromise

MD5

  • 433f82836a784698dfd4bda50f7d134f
  • 0d49093f02e3ead13d6d2ef8575764b6
  • 971fa9a70240139c9b6407b83ee407b0
  • 3d14febcf4345373fed1fd5bbb5ea278
  • 366aca4b1307f1732c87c108199d0961

SHA-256

  • 333cf07ff7339bde60d05e3447815ea782af2a1cda0a5989820d9784b780ab1c
  • 9b87c490c10ce65fa2ae4a0ae703d794f44dd6177de1b770db5a33e3cb99695e
  • 5de6fb501692a54fa9eb3fadca1872d846c42e22d1f84da4ee05fa2be5d6165b
  • 71e4c1a52d077ee6310974e2f20a190b261fa52e4e42742fa09a2455b6fa0df8
  • 9525881a38a8cb537dad36c13ce617f81bd864678c3b59e4db2b713704c111b9

SHA-1

  • 34afb05a0362feb004a443c485b2ef8624129910
  • 49e1c36515692ff3cac0abf81dcb3d4c87e57277
  • 9a4e6179531b801bb0c6ccce9c967ba4b1cae4b6
  • 3460bafe726b453ebffca84ffd0fc9a7c29c88ea
  • 844402b051645e94ace7191814de67d5a37209d2

Remediation

  • Block all threat indicators at your respective controls.
  • Search for IOCs in your environment.